11057987 has 8 divisors (see below), whose sum is σ = 11400480. Its totient is φ = 10719040.

The previous prime is 11057953. The next prime is 11058001. The reversal of 11057987 is 78975011.

11057987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11057987 - 2¹⁰ = 11056963 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11057987.

It is not an unprimeable number, because it can be changed into a prime (11057927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6314 + ... + 7872.

It is an arithmetic number, because the mean of its divisors is an integer number (1425060).

Almost surely, 2^11057987 is an apocalyptic number.

11057987 is a deficient number, since it is larger than the sum of its proper divisors (342493).

11057987 is a wasteful number, since it uses less digits than its factorization.

11057987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1773.

The product of its (nonzero) digits is 17640, while the sum is 38.

The square root of 11057987 is about 3325.3551690007. The cubic root of 11057987 is about 222.7881181032.

The spelling of 11057987 in words is "eleven million, fifty-seven thousand, nine hundred eighty-seven".